Physics, 30.11.2020 23:30, angel34emb

A light with a second-order dark band forms a diffraction angle of 20.0 degrees. The diffraction grating has 200.0 lines per mm. The wavelength of the light, to the nearest whole number, is nm.

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A light with a second-order dark band forms a diffraction angle of 20.0 degrees. The diffraction gra...